Home / 1,671.32-2,306.44-1,008.39

Finding the Fourth Proportional to 1,671.32, 2,306.44 and 1,008.39

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Solution

The fourth proportional to 1,671.32, 2,306.44 and 1,008.39 is: 1,391.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,671.32 : 2,306.44 = 1,008.39 : x
  2. Step 2: Convert to fraction form
    1,671.32/2,306.44 = 1,008.39/x
  3. Step 3: Cross multiply
    1,671.32x = 2,306.44 × 1,008.39
  4. Step 4: Simplify right side
    1,671.32x = 2,325,791.03
  5. Step 5: Solve for x
    x = 2,325,791.03/1,671.32
  6. Step 6: Final answer
    x = 1,391.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.